removed small memory leak in JNI
src/c/opcadapter/ChargerCallback.cpp
changed variabledefinitions from SF_WERT_RXXX to SF_WERT_RXXX/ST
src/java/de/fhworms/ztt/cpr400/adapters/opc/OPCAdapter.java
src/java/de/fhworms/ztt/cpr400/datadefinition/CondensationStartRxxx.java
src/java/de/fhworms/ztt/cpr400/datadefinition/HeatingStartRxxx.java
src/java/de/fhworms/ztt/cpr400/datadefinition/SamplingStartRxxx.java
